Perhaps you should try some spelling variations:
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons python python programming" (Expand search)
"coder coder lip parallel programming" » "coder coder line parallel programming" (Expand search), "coder coder in parallel programming" (Expand search), "coder coder bit parallel programming" (Expand search), "coder decoder lip parallel programming" (Expand search), "code code lip parallel programming" (Expand search), "decoder codec lip parallel programming" (Expand search), "coder lower lip parallel programming" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder lip parallel programming") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder lip parallel programming\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder lip parallel programming ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder lip parallel programming") OR ("_ python python python programming"))*.